Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FL18457 found under Thumbscrew by Dgs And E Tig Irc. The National Stock Number assigned to this part is 5305999643883, and the Federal Supply Class is 5305 Screws. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like FL18457.